2016 年 32 巻 1 号 p. 77-84
This paper investigates the difference of psychological evaluations between natural and artificial plants by questionnaire surveys. Previous studies show the optimal green factor to give stress recovery for office workers by questionnaire surveys and subject experiments. In order to investigate whether artificial plants are evaluated psychologically equal to natural plants or not, questionnaire surveys are carried out for office workers with sheets including pictures of a simulated office room with 7 greenery types of different green view factors of natural and artificial plants relatively, including the control condition with no plants. As a result, natural plants are evaluated more favorable than artificial plants for stress recovery.